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WordPress Plugin Vulnerabilities

Thank Me Later <= 3.3.4 - Admin+ Stored Cross-Site Scripting

Description

The plugin does not sanitise and escape the Message Subject field before outputting it in the Messages list, which could allow high privileges users such as admin to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Proof of Concept

Add/Edit a message and put the following payload in the Subject field: "><img src onerror=prompt(/XSS/)>

The XSS will be triggered in the Messages list (/wp-admin/admin.php?page=bbpp_thankmelater) 

Affects Plugins

thank-me-later
No known fix - plugin closed

References

CVE
CVE-2022-1063

Classification

Type

XSS

OWASP top 10
A7: Cross-Site Scripting (XSS)
CWE
CWE-79

Miscellaneous

Original Researcher

Ankur Bakre

Submitter

Ankur Bakre

Submitter website
https://www.linkedin.com/in/ankur-bakre-99320316b/
Verified

Yes

WPVDB ID
f90c528b-8c3a-4f9a-aa36-099c24abe082

Timeline

Publicly Published

2022-03-28 (about 4 months ago)

Added

2022-03-28 (about 4 months ago)

Last Updated

2022-04-09 (about 4 months ago)

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